ML19312D436

LER 80-007/03L-0:on 800218,during Surveillance Test,Load on Diesel Generator D1 Could Not Be Increased Above 1,400 Kw. Caused by Trainee Operator Error.Setpoint Returned to Normal & Test Completed Satisfactorily

ML19312D436
Person / Time
Site:	Prairie Island
Issue date:	03/19/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19312D435	List: ML19312D434 ML19312D436
References
LER-80-007-03L, LER-80-7-3L, NUDOCS 8003240410
Download: ML19312D436 (1)

Text

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7 60 St DOCKET NUMBER 66 69 EVENT DATE 74 75 REPORT DAT E 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o 2 l During surveillance test the load on D1 Diesel Generator could not be increased above j o 3 l 1400KW (full load capability is 2750KW). The governor load limit setpoint was foun-Q O 4 l set well below the desired setting. The setpoint was returned to normal and the test l o 5 l completed satisfactorily". The load limit setpoint for D2 Diesel Generator was found l o a l not at the normal setting but this did not affect operability of D2. No effect on l e 7 l public health and safety. Not repetitive. l o 8 l l 7 8 9 80 EDE ##E CO S 8CEE COMPONENT CODE SUS ODE SU DE Q

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h g l During the previous surveillance test two weeks earlier an operator, who was in train-1

, i l ing, changed the ioad limit settings without realizing the significance of his actiong.

, , g This event was discussed with individual personnel. The surveillance procedure was l i 3 l changed to require a check of load limit setpoint upOn completion of the test. l 1 4 l l 7 8 9 80 ST S  % POWE R OTHER STATUS IS O RY DISCOVERY DESCRIPTION t s [E j@ l 1l 0 l 0 l@l' NA l W@l~ Surveillance Test l 7 8 1 12 11 44 45 46 80 AMOUNT OF ACTIVITY LOCATION OF RELE ASE 1 6 RELEASE

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. LOSS OF oR DAMAGE TO FACILITY TYPE DESCRIPTION i 9 NA 8 9 LZJ@l10 .

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NAME OF PREPARER

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PHONE:

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